Sources

  • http://en.wikipedia.org/wiki/Tattoo_machine
  • http://www.tattoo-informer.com/tattoo-styles/
  • http://www.thetattoocollection.com/styles_of_tattoos.htm
  • http://en.wikipedia.org/wiki/Tattoo_art_style
  • http://en.wikipedia.org/wiki/Process_of_tattooing
  • http://en.wikipedia.org/wiki/Tattoo
  • Google for the Images